Computation-constrained fast MPEG-2 encoding
- 1 August 1997
- journal article
- Published by Institute of Electrical and Electronics Engineers (IEEE) in IEEE Signal Processing Letters
- Vol. 4 (8), 224-226
- https://doi.org/10.1109/97.611283
Abstract
We introduce a computation-constrained predictive motion estimation algorithm for fast Motion Picture Expert Group-2 (MPEG-2) encoding. Motion estimation is restricted to a relatively small search area whose center is a two-dimensional (2D) median predicted motion vector. The number of computations is further reduced by incorporating explicitly a computational constraint during the estimation process. Experimental results show that the median prediction as well as the dynamic nature of the implementation lead to a dramatic increase in motion estimation speed for only a small loss in compression performance. A unique feature of our algorithm is that the reconstruction quality of the resulting MPEG-2 coder is proportional to the computer's processing power, providing much needed flexibility in many MPEG-2 software applications.Keywords
This publication has 4 references indexed in Scilit:
- Rate-distortion-constrained statistical motion estimation for video codingPublished by Institute of Electrical and Electronics Engineers (IEEE) ,2002
- Image and Video Compression StandardsPublished by Springer Nature ,1995
- A stable feedback control of the buffer state using the controlled Lagrange multiplier methodIEEE Transactions on Image Processing, 1994
- Vector Quantization and Signal CompressionPublished by Springer Nature ,1992